I want to plot mean annual precipitation data for a region. I downloaded the precipitation dataset for 1900-2014 from University of Delaware site in netCDF format. Whenever I try to open the dataset in ArcGIS, it gives me more 1000 (114 years * 12 months = 1368 rasters) of rasters with each raster containing the precipitation data of a particular month. I wanted to know that how can I get an average raster data out of the 1368 rasters.
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If you use Python, I just answered a question very similar to this: gis.stackexchange.com/a/278965/78446 I don't use Arc so I don't know what the solution would be; I'm guessing you could use the Raster Calculator somehow.– JonCommented Apr 13, 2018 at 14:16
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I do not use python. :(– AQIB ANSARICommented Apr 14, 2018 at 19:24
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1 Answer
You need to use a tool such as The netCDF Operators, or NCO. Have a look to the user guide http://nco.sourceforge.net/nco.html.
I have no idea how your data is organized, but have a look to this discussion, it seems to be your case: https://sourceforge.net/p/nco/discussion/9830/thread/9809999b/
